*For Balancing applications use with the SGF24 wall-mounted(flush) controller; simply set the graduated knob to whatever position you want the damper to go to, and walk away-The damper blade will travel to that exact position and then stop. SGF24 positioner is intended for the remote control of modulating actuators or for use as a minimum positioner (providing a minimum limit for the output signal from a modulating controller). The control range is 0 to 100% of the angle of rotation of the actuator.
You can order the SGF24 Controller separately
as seen in the left-middle picture here.